Comfort Systems' CapEx Spike: Is Modular the Next Growth Catalyst?

Comfort Systems USA, Inc. FIX is doubling down on growth while raising a key question for investors, that whether its rising capital expenditures translate into sustained returns or not. In the first quarter of 2026, the company significantly ramped up capital expenditure (CapEx) to $147 million, up by a whopping 564.4% from $22 million a year ago, signaling an aggressive push toward expanding its modular construction capabilities.